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**EXCLUSIVE** LOOK FAMILIAR?? Kim Kardashian's revealing maxi dress worn on Wednesday was originally worn by sister Kourtney back when she was pregnant in June 2012, pictured here

Kardashians' Fashions Are All in the Family

The Kardashians regularly compete in Fashion Faceoffs … against each other! Check out some of the garments that Kim, Kourtney, and Khloe Kardashian, their teen sisters Kendall and Kylie Jenner, and mom Kris Jenner have swapped.